99997988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{6679}}^1$

素因数の和:6899

約数の個数: 24

約数和(自身を含む): 185169600

約数和(自身を除く): 85171612

約数列:

[1, 2, 4, 19, 38, 76, 197, 394, 788, 3743, 6679, 7486, 13358, 14972, 26716, 126901, 253802, 507604, 1315763, 2631526, 5263052, 24999497, 49998994, 99997988]

約数ペア:

[(1, 99997988), (2, 49998994), (4, 24999497), (19, 5263052), (38, 2631526), (76, 1315763), (197, 507604), (394, 253802), (788, 126901), (3743, 26716), (6679, 14972), (7486, 13358)]